diff --git a/requirements.txt b/requirements.txt
index 0e90e96..a9bbfb9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,3 @@
-puremagic==1.27
+puremagic==1.28
 pygraphviz==1.13
 svg.path==6.3